import type { CreateAnalyzerOptions } from 'arangojs/analyzers';
import type { VectorIndexDescription } from 'arangojs/indexes';
import type { ArangoSearchViewPropertiesOptions, CreateArangoSearchViewOptions } from 'arangojs/views';
import type { Relation } from '../../core/model/implementation/relation.js';
import type { PersistentIndexDefinition } from './index-helpers.js';
import type { VectorIndexDefinition } from './vector-index/vector-index-definition.js';
export type SchemaMigration = CreateIndexMigration | DropIndexMigration | CreateVectorIndexMigration | RecreateVectorIndexMigration | DropVectorIndexMigration | CreateDocumentCollectionMigration | CreateEdgeCollectionMigration | CreateArangoSearchViewMigration | DropArangoSearchViewMigration | UpdateArangoSearchViewMigration | RecreateArangoSearchViewMigration | CreateArangoSearchAnalyzerMigration | UpdateArangoSearchAnalyzerMigration;
interface CreateIndexMigrationConfig {
    readonly index: PersistentIndexDefinition;
    readonly collectionSize?: number;
}
export declare class CreateIndexMigration {
    readonly type: 'createIndex';
    readonly index: PersistentIndexDefinition;
    readonly collectionSize: number | undefined;
    constructor(config: CreateIndexMigrationConfig);
    get description(): string;
    get id(): string;
    get isMandatory(): boolean;
}
interface DropIndexMigrationConfig {
    readonly index: PersistentIndexDefinition;
    readonly collectionSize?: number;
}
export declare class DropIndexMigration {
    readonly type: 'dropIndex';
    readonly index: PersistentIndexDefinition;
    readonly collectionSize: number | undefined;
    constructor(config: DropIndexMigrationConfig);
    get description(): string;
    get id(): string;
    get isMandatory(): boolean;
}
interface CreateVectorIndexMigrationConfig {
    readonly requiredIndex: VectorIndexDefinition;
    readonly vectorDocumentCount?: number;
}
/**
 * Migration that creates a new vector index for the first time (no existing index is present).
 * The index is always created in slot 'a'. The actual index name is derived by the performer
 * using vectorIndexSlotName(field, 'a').
 */
export declare class CreateVectorIndexMigration {
    readonly type: 'createVectorIndex';
    readonly requiredIndex: VectorIndexDefinition;
    readonly vectorDocumentCount: number | undefined;
    constructor(config: CreateVectorIndexMigrationConfig);
    get description(): string;
    get id(): string;
    get isMandatory(): boolean;
}
interface RecreateVectorIndexMigrationConfig {
    readonly existingIndex: VectorIndexDescription;
    readonly requiredIndex: VectorIndexDefinition;
    readonly vectorDocumentCount?: number;
}
/**
 * Migration that recreates an existing vector index with updated parameters (e.g. changed metric,
 * dimension, or nLists). Uses the A/B slot naming scheme: the new index is created in the slot
 * opposite to the existing one, and the old index is dropped once the new one is ready.
 */
export declare class RecreateVectorIndexMigration {
    readonly type: 'recreateVectorIndex';
    readonly existingIndex: VectorIndexDescription;
    readonly requiredIndex: VectorIndexDefinition;
    readonly vectorDocumentCount: number | undefined;
    constructor(config: RecreateVectorIndexMigrationConfig);
    get description(): string;
    get id(): string;
    get isMandatory(): boolean;
}
interface DropVectorIndexMigrationConfig {
    readonly collectionName: string;
    readonly index: VectorIndexDescription;
}
/**
 * Migration that drops a vector index, identified solely by its name.
 */
export declare class DropVectorIndexMigration {
    readonly type: 'dropVectorIndex';
    readonly collectionName: string;
    readonly index: VectorIndexDescription;
    constructor(config: DropVectorIndexMigrationConfig);
    get description(): string;
    get id(): string;
    get isMandatory(): boolean;
}
export declare class CreateDocumentCollectionMigration {
    readonly collectionName: string;
    readonly type: 'createDocumentCollection';
    constructor(collectionName: string);
    get description(): string;
    get id(): string;
    get isMandatory(): boolean;
}
export declare class CreateEdgeCollectionMigration {
    readonly relation: Relation;
    readonly collectionName: string;
    readonly type: 'createEdgeCollection';
    constructor(relation: Relation, collectionName: string);
    get description(): string;
    get id(): string;
    get isMandatory(): boolean;
}
interface CreateArangoSearchViewMigrationConfig {
    readonly viewName: string;
    readonly properties: CreateArangoSearchViewOptions;
    readonly collectionName: string;
    readonly collectionSize?: number;
}
interface UpdateArangoSearchViewMigrationConfig {
    readonly viewName: string;
    readonly properties: ArangoSearchViewPropertiesOptions;
    readonly collectionName: string;
    readonly collectionSize?: number;
}
interface DropArangoSearchViewMigrationConfig {
    readonly viewName: string;
}
export declare class DropArangoSearchViewMigration {
    readonly type: 'dropArangoSearchView';
    readonly config: DropArangoSearchViewMigrationConfig;
    constructor(config: DropArangoSearchViewMigrationConfig);
    get description(): string;
    get id(): string;
    get viewName(): string;
    get isMandatory(): boolean;
}
export declare class UpdateArangoSearchViewMigration {
    readonly type: 'updateArangoSearchView';
    readonly viewName: string;
    readonly properties: ArangoSearchViewPropertiesOptions;
    readonly collectionName: string;
    readonly collectionSize?: number;
    constructor(config: UpdateArangoSearchViewMigrationConfig);
    get description(): string;
    get id(): string;
    get isMandatory(): boolean;
}
export declare class CreateArangoSearchViewMigration {
    readonly type: 'createArangoSearchView';
    readonly viewName: string;
    readonly properties: CreateArangoSearchViewOptions;
    readonly collectionName: string;
    readonly collectionSize?: number;
    constructor(config: CreateArangoSearchViewMigrationConfig);
    get description(): string;
    get id(): string;
    get isMandatory(): boolean;
}
export declare class RecreateArangoSearchViewMigration {
    readonly type: 'recreateArangoSearchView';
    readonly viewName: string;
    readonly properties: CreateArangoSearchViewOptions;
    readonly collectionName: string;
    readonly collectionSize?: number;
    constructor(config: CreateArangoSearchViewMigrationConfig);
    get description(): string;
    get id(): string;
    get isMandatory(): boolean;
}
export declare class CreateArangoSearchAnalyzerMigration {
    readonly type: 'createArangoSearchAnalyzer';
    readonly name: string;
    readonly options: CreateAnalyzerOptions;
    constructor(config: CreateArangoSearchAnalyzerMigrationConfig);
    get description(): string;
    get id(): string;
    get isMandatory(): boolean;
}
export interface CreateArangoSearchAnalyzerMigrationConfig {
    readonly name: string;
    readonly options: CreateAnalyzerOptions;
}
export declare class UpdateArangoSearchAnalyzerMigration {
    readonly type: 'updateArangoSearchAnalyzer';
    readonly name: string;
    readonly options: CreateAnalyzerOptions;
    constructor(config: UpdateArangoSearchAnalyzerMigrationConfig);
    get description(): string;
    get id(): string;
    get isMandatory(): boolean;
}
export interface UpdateArangoSearchAnalyzerMigrationConfig {
    readonly name: string;
    readonly options: CreateAnalyzerOptions;
}
export {};